来自MSN1 年
Why Sun Is Called A Yellow Star Despite Emitting White Light
reddish appearance.Despite the sun emitting white light, it is often colloquially referred to as a yellow star. This is due to the classification of stars by scientists based on their surface ...
Wall Street Journal2 年
Sun's Solar Flares Captured on NASA Video
NASA's Solar Dynamics Observatory, which is constantly observing the sun's activity, captured video of the sun emitting a significant solar flare on Dec. 19, 2014. Photo: YouTube/NASA Goddard ...
来自MSN1 个月
Scientists find how often sun-like stars emit 'superflares.' It shocked them.
Our sun regularly shoots out solar flares — explosions of light and radiation from its surface ... Previous research, for example, found that sun-like stars emit powerful superflares every ...